Question: What is challenging about Symphony No. 6?
Paraphrase: What makes Symphony No. 6 challenging?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q246433 wdt:P86 ?X . ?X wdt:P1050 ?answer}
Answer: Crohn's disease, deafness, asthma, syphilis, lead poisoning, hepatitis, liver cirrhosis, sarcoidosis, Whipple disease, iron overload, Paget's disease of bone, alcoholic hepatitis